10.0 MAINTENANCE
N50/100H (N37/75K)
Following are instructions for tilting the cooler away from the enclosure and cleaning of the cooler.
•Remove 6 screws from lower rear fixed panel and remove panel.
•Remove 10 screws from the rear intake panel and remove panel.
•Loosen clamp and disconnect the air inlet hose from the intake plenum.
•Remove intake plenum. Note, plenum is unsupported, before removing the 8 screws from the intake plenum, block underside of plenum prior to removing screws to prevent plenum from falling.
•Remove hose from elbow in aftercooler inlet. Plug elbow in inlet hole of aftercooler.
•Unscrew the fitting connecting the aftercooler to the discharge tube.
•Loosen mounting bolts on moisture separator to allow moisture separator to slide down in mounting bracket. Once lowered, remove the discharge tube connecting the moisture separator to the aftercooler outlet.
•Plug aftercooler discharge hole.
•To tilt cooler forward, remove 6 screws holding the cooler in place. While removing the last screw, hold the top of the cooler in place to prevent the cooler from tilting. Once the screw is removed, allow the cooler to tilt forward until the pivot brackets touch the pivot stops. The cooler will stop tilting at 45 degrees.
•Cover the main drive motor with plastic sheeting to prevent cleaning solution from entering the motor.
•Before cleaning coolers, check to ensure aftercooler intake and discharge holes are plugged to prevent contamination of compressor system. Clean coolers with a mild cleaning solution.
warning
Strong cleaners can harm aluminium cooler parts. Follow cleaner manufacturers instructions for use. Wear appropriate safety equipment.
•After cleaning is complete, reassemble in reverse order.
N125/200H (N90/160K) SINGLE STAGE and N100/200H (N75K−160K) TWO STAGE
The coolers in these machines can either be cleaned by removing the complete cooler for off site cleaning or ’back flushing’ in place using a high pressure hose and gaining access through the holes in the intermediate plenum.
Instructions for cleaning the coolers while installed in the compressor.
While cleaning coolers, great care must be taken to protect the rest of the machine from moisture and contamination by covering sensitive parts with plastic sheeting.
•Remove 4 screws from enclosure panel below moisture separator and remove panel.
•Remove 4 screws from enclosure panel above moisture separator and remove panel.
•Remove the 16 screws securing the access panels on the cooling plenum and remove covers.
•Cover main drive motor, PDM Heat sink blower motor, drain valve, and cooling motor variable speed drive with plastic sheeting to prevent damage from entrance of cleaning solution.
•Cover inlet of blower wheel with plastic sheeting to prevent entrance of cleaning fluid.
•Cover the inlet grill of the intake panel with plastic sheeting to prevent cleaning solution from exiting the compressor.
•Attach drain hose to the coupling on the bottom of the plenum to allow the cleaning solution to drain outside the compressor. Alternately, place large bucket underneath plenum to collect cleaning fluid.
•Use an extended length nozzle and a mild cleaning solution to clean the coolers.
warning
Strong cleaners can harm aluminium cooler parts. Follow cleaner manufacturers instructions for use. Wear appropriate safety equipment.
• Cleaning fluid will collect on both sides of the cooler core. If required, periodically drain fluid from intake plenum and bucket to prevent them from over flowing.
•After cleaning is complete, dry off plenum, intake, and cooler core. Reassemble parts in reverse order.
If the cooler cores are unable to be cleaned while in- stalled in the compressor, remove cooler as follows:
•Remove 5 screws from panel below the intake panel and remove panel. Be careful not to damage the electrical leads entering the panel.
•Remove 8 screws from the intake panel and remove panel.
•Remove 8 screws from the intake plenum supports and remove the supports.
•Remove the 10 screws securing the intake plenum and remove the plenum
•Disconnect both oil lines and both air lines from the cooler. Plug all 4 inlets to prevent cleaning fluid from entering the cooler cores.
IRN37 - 160K - CC & IRN50 - 200H & IRN75 - 160K - 2S & IRN - 100 - 200H - 2S & IRN 250 - 300H - 2S | 87 | |
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